lecture 26

Question 1

vestibule

Answer 1

dilated area superior to nostrils, lined with skin and hair

Question 2

respiratory

Answer 2

inferior 2/3rds of nasal cavities, lined with mucosa. warms and moistens airs passing into respiratory tract

Question 3

olfactory

Answer 3

superior 1/3. contains olfactory receptors

Question 4

what are the right and left nasal cavities are separated by

Answer 4

septal cartilage and perpendicular plate of the ethmoid and vomer bone

Question 5

spheno-ethmoidal recess

Answer 5

between the superior concha and the body of the sphenoid/roof of nasal cavity. contain the opening of the sinus

Question 6

superior meatus

Answer 6

between superior and middle conchae. contains opening of ethmoid sinus

Question 7

middle meatus

Answer 7

between inferior and middle conchae. contains ethmoidal bulla and semilunar hiatus

Question 8

inferior meatus

Answer 8

inferior to inferior concha. contains opening of nasolacrimal duct

Question 9

frontal sinus

Answer 9

drains into semilunar hiatus via frontalnasal duct

Question 10

ethmoidal sinus

Answer 10

drains into the superior meatus and middle meatus via several openings including the ethmoidal bulla

Question 11

sphenoidal sinus

Answer 11

drains into the sphenoethmoidal recess